Question : If $2A=3B$, then what is the value of $\frac{A+B}{A}$?

Option 1: $\frac{5}{4}$

Option 2: $\frac{2}{3}$

Option 3: $\frac{5}{2}$

Option 4: $\frac{5}{3}$

Question : If $\left (2a-3 \right )^{2}+\left (3b+4 \right )^{2}+\left ( 6c+1\right)^{2}=0$, then the value of $\frac{a^{3}+b^{3}+c^{3}-3abc}{a^{2}+b^{2}+c^{2}}+3$ is:

Option 1: $abc+3$

Option 2: $6$

Option 3: $0$

Option 4: $3$

Question : If $W_{1}:W_{2}= 2:3$ and $W_{1}:W_{3}= 1:2$, then $W_{2}:W_{3}$ is:

Option 1: 3 : 4

Option 2: 4 : 3

Option 3: 2 : 3

Option 4: 4 : 5

Question : If $(2x - 5y)^3 - (2x+5y)^3 = y[Ax^2 + By^2]$, then what is the value of $(2A - B)$?

Option 1: 25

Option 2: 10

Option 3: 15

Option 4: 40

Question : If $\frac{2}{3}$ of A = 75% of B = 0.6 of C, then $A:B:C$ is:

Option 1: $2:3:3$

Option 2: $3:4:5$

Option 3: $4:5:6$

Option 4: $9:8:10$